Robert K. Murray, MD, PhD Professor (Emeritus) of Biochemistry University of Toronto Toronto, Ontario Daryl K. Granner, MD Joe C. Davis Professor of Biomedical Science Director, Vanderbilt Diabetes Center Professor of Molecular Physiology and Biophysics and of Medicine Vanderbilt University Nashville, Tennessee Peter A. Mayes, PhD, DSc Emeritus Professor of Veterinary Biochemistry Royal Veterinary College University of London London Victor W. Rodwell, PhD Professor of Biochemistry Purdue University West Lafayette, Indiana